Finding the Fourth Proportional to 313,194.36, 432,229.74 and 177,228.12
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Solution
The fourth proportional to 313,194.36, 432,229.74 and 177,228.12 is: 244,586.98
Step by Step Solution
- Step 1: Write the proportion equation
313,194.36 : 432,229.74 = 177,228.12 : x - Step 2: Convert to fraction form
313,194.36/432,229.74 = 177,228.12/x - Step 3: Cross multiply
313,194.36x = 432,229.74 × 177,228.12 - Step 4: Simplify right side
313,194.36x = 76,603,264,228.29 - Step 5: Solve for x
x = 76,603,264,228.29/313,194.36 - Step 6: Final answer
x = 244,586.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.